Which of the following X charts indicates a process that is out of control? 0000 (a) 12.0 11.5 (c) a b C d Mean of Data
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Which of the following X charts indicates a process that is out of control? 0000 (a) 12.0 11.5 (c) a b C d Mean of Data
Which of the following X charts indicates a process that is out of control? 0000 (a) 12.0 11.5 (c) a b C d Mean of Data Mean of Data 11.0 10.5 10.0 9.5- 9.0 8.5 16 14 12 10 6 . " 24 6 8 10 12 14 16 18 20 Group 2 4 6 8 10 12 14 16 18 20 Group UCL = 10.996 Avg = 10.024 LCL = 9.052 UCL = 14.50 Avg = 9.92 LCL = 5.34 (b) (d) Mean of Data Mean of Data 105 100 95 90 30 20 10 0 -10 -20 -30 ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ 2 4 6 8 10 12 14 16 18 20 Group pa 2 4 6 8 10 12 14 16 18 20 Group UCL = 105.04 Avg = 100.09 LCL 95.14 UCL-26.17 Avg = 2.31 LCL -21.55